Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/06/2026, 17:24

General

  • Target
    tmpujrl_u9p.exe
  • Size 6.0MB
  • Sample260601-vys3hsbv4x
  • SHA256 d251cfb53b74837dc1b26aeb69d235ad07325750baa85d73766d09dceef81d5d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • lumma

C2
  • https://conceptionnyi.sbs/api

  • https://platformcati.sbs/api

  • https://nervepianoyo.sbs/api

  • https://qualifielgalt.sbs/api

  • https://smashygally.sbs/api

  • https://fightyglobo.sbs/api

  • https://modellydivi.sbs/api

  • https://pioneeruyj.sbs/api

  • https://underlinefiue.sbs/api

Signatures

  • Family: Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpujrl_u9p.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpujrl_u9p.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\tmpujrl_u9p.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpujrl_u9p.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 192
      2⤵
      • Program crash
      PID:2792
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 808 -ip 808
    1⤵
      PID:5052

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          7AD406287E052ECAB43951C39E0CDBF1

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7AD406287E052ECAB43951C39E0CDBF1
          • Size 1KB
          • SHA256 c1ad7778796d20bca65c889a2655021156528bb62ff5fa43e1b8e5a83e3d2eaa
          • MD5 SHA1 SHA512 TLSH

          7AD406287E052ECAB43951C39E0CDBF1

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7AD406287E052ECAB43951C39E0CDBF1
          • Size 268B
          • SHA256 f274d5aaf69eae04c002f7833805bf46be88c7e761f15554a365069767977aae
          • MD5 SHA1 SHA512 TLSH

          memory/808-0-0x0000000000F2E000-0x0000000000F2F000-memory.dmp

          memory/1684-1-0x0000000000400000-0x000000000045D000-memory.dmp

          memory/1684-3-0x0000000000400000-0x000000000045D000-memory.dmp

          memory/1684-4-0x0000000000EC0000-0x00000000014BE000-memory.dmp

          memory/1684-7-0x0000000000EC0000-0x00000000014BE000-memory.dmp

          memory/1684-20-0x0000000000EC0000-0x00000000014BE000-memory.dmp